Question
The puzzle that we _________ today was quite a hard
_______ to crack. Directions (111-115): Each question below has two blanks, each blank indicating that something has been omitted. Choose the set of words for each blank that best fits the meaning of the sentence as whole.Solution
We can always ‘solve’ a puzzle and therefore comment that it was a hard ‘nut’ to crack . (as famously used)
The mean of a data set is 50 and the standard deviation is 10. What is the coefficient of variation?
The marks obtained by 15 students out of a maximum of 25 in a test are given as 13, 11, 16, 15, 18, 12, 13, 14, 10, 22, 21, 20, 17, and 24. Find the sum...
What will be the mode of the following data?
13, 15, 31, 12, 27, 13, 27, 30, 27, 28 and 16
In triangle ABC, G is the centroid. If CF, AD and 'BE' are medians on sides 'AB', 'BC' and 'CA' respectively, and area of triangle BGF is 24 cm2
What is the sum of the first 14 terms of an arithmetic progression if the first term is -21 and last term is 40?
The expenditure-to-savings ratio of an individual 'P' is 5:4. If the person's income rises by 25% and their savings increase by 3...
The average weight of a class of 25 student is 60 KG. If X is student joined the class,  than the average weight of whole class increases by (2X – 7...
5 years ago, A was 1/3 of B’s age. If the ratio of their present ages is 2:5, what will be the sum of their present ages?
18, 27, 54, 135, 400, 1417.5
The mean of 10 observations is 8. One more observation is added, and the new mean becomes 9. What is the value of the 11th observation?
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